\[6(0,4x - 0,5) - 1,3x = 1,1x - 3\]
\[2,4x - 3 - 1,3x - 1,1x = - 3\]
\[2,4x - 2,4x = - 3 + 3\]
\[0x = 0\]
\[x - любое\ число.\]